Northern Pin Oak

quercus ellipsoidalis

The Northern Pin Oak (Quercus ellipsoidalis) is a medium-sized deciduous tree native to the north-central United States and parts of southern Canada. Well-known for its adaptability to dry, sandy soils, this resilient oak thrives in challenging environments where other hardwoods struggle. It plays a crucial ecological role by providing nesting sites for birds, cover for small mammals, and a vital autumn food source through its abundant acorns. In the landscape, the Northern Pin Oak is highly valued for its striking pyramidal shape in youth, which matures into an ornamental, open canopy. Its deeply lobed leaves turn brilliant shades of red and bronze in the autumn, creating a spectacular display. The persistent dead branches on its lower trunk, a characteristic known as marcescence, give this tree its distinctive "pin-like" appearance and provide winter structure to the forest understory.

生息地: Typically found in dry, acidic, sandy soils of upland forests, oak savannas, and along glacial outwash plains.

外見

The Northern Pin Oak typically reaches heights of 15 to 22 meters, featuring a straight trunk and a rounded, open crown at maturity. Its leaves are deeply divided by C-shaped sinuses into 5 to 7 lobes, each tipped with sharp bristles, displaying a glossy green top and a paler underside. The bark is greyish-brown, starting smooth and developing shallow, furrowed ridges as the tree ages. The small, ellipsoidal acorns, from which the scientific name is derived, are about 1 to 2 cm long, encased halfway in a saucer-like, hairy cap.

界Plantae門Tracheophyta綱Magnoliopsida目Fagales科Fagaceae属Quercus

Northern Pin Oak

カテゴリ

植物

レア度

Common

危険度

1/5 · 非常に低い

スナップ

最初にスナップしよう！

おもしろい事実

Its wood is exceptionally hard and heavy, and historically was used for fuel, fence posts, and railway ties.

The lower branches of the Northern Pin Oak tend to persist for years after dying, creating a protective 'shrubby' layer around the lower trunk.

The species name 'ellipsoidalis' refers to the distinct, egg-shaped or ellipsoidal acorns it produces.

特殊能力

Highly adapted to dry, nutrient-poor, sandy, and acidic soils where other oak species struggle to survive.

Retains dead lower branches and sometimes dry winter foliage, which deters herbivores and helps trap snow to increase moisture around the roots.

Features a deep, extensive taproot system that efficiently searches for deep groundwater during periods of prolonged drought.

サイズと詳細

長さ: 1500-2200 cm
体重: 3000-9000 kg
寿命: 100-150 年

食性と食事

As a photosynthetic plant, the Northern Pin Oak generates its own energy from sunlight, water, and atmospheric carbon dioxide, while absorbing essential minerals through its roots.

主な食物

Sunlight
Water
Carbon Dioxide
Nitrogen
Phosphorus
Potassium

生態系とのつながり

mutualism

Blue Jay

Cyanocitta cristata

Consumes the acorns and helps disperse the seeds by burying them in the forest floor.

eaten by

White-tailed Deer

Odocoileus virginianus

Feeds on the highly nutritious acorns and browses the tender young twigs.

parasite

Oak Gall Wasp

Amphibolips confluenta

Lays eggs on leaves and twigs, inducing the tree to form spherical galls that protect larvae.

特徴

このオブジェクトにはまだ特徴バッジが割り当てられていません。

別名

まだ別名はありません。

コレクション

テーマが追加されると、このオブジェクトのコレクションがここに表示されます。

安全性

危険度

1/5 · 非常に低い

まだ特別な安全上の注意はありません。

よくある質問

Northern Pin Oakを見分けるには？

Northern Pin Oakを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。

Northern Pin Oakの長さは何ですか？

1500-2200 cm

Northern Pin Oakの体重は何ですか？

3000-9000 kg

Northern Pin Oakの寿命は何ですか？

100-150 年

Northern Pin Oakは何を食べますか？

As a photosynthetic plant, the Northern Pin Oak generates its own energy from sunlight, water, and atmospheric carbon dioxide, while absorbing essential minerals through its roots.

Northern Pin Oakは通常どこに生息していますか？

Typically found in dry, acidic, sandy soils of upland forests, oak savannas, and along glacial outwash plains.